18300 3.7V 800mAh Lithium Capacitor Battery

800mAh Lithium Capacitor Battery Structural Design

The 800mAh lithium capacitor battery is produced by engineers in a compact, cylindrical design that integrates lithium-based electrochemical storage with capacitor-like structural features. They are first laminated into a multilayer strip format with cathode foil, separator membrane, and anode foil. They then roll the layers collected into a tight spiral core and pay close attention to the accuracy of alignment and the pressure of the winding. Technicians, in the meantime, observe dimensional consistency during the process to minimize internal deviation and balance layer spacing. Once the core is formed, they place the assembly into a precision cylindrical enclosure and fix the internal structure and then electrolyte processing commences.

Material Composition and Layer Construction

The cathode is made by the manufacturers by coating the lithium transition-metal compounds on aluminum current collectors, and the anode is made by depositing graphite-based carbon slurry on copper foil. Moreover, they add a microporous polyolefin separator to facilitate ionic conduction and ensure electrical isolation between electrode layers. Moreover, they prepare the electrolyte containing lithium salt in organic carbonate solvents and they strictly control the exposure of moisture during the preparation and storage. In the meantime, the cylindrical housing is made of reinforced steel or aluminum alloy material to maintain structural rigidity when operating in sealed conditions.

Electrode Fabrication and Core Assembly Process

Technicians start by spraying active powders, conductive additives, and polymer binders into a homogeneous slurry system. They then apply the slurry to metal foils using precision coating equipment and perform staged drying to eliminate any remaining solvents. This is followed by calendering rollers to compress the electrodes that are coated to obtain controlled density and uniform thickness. They then cut the electrode sheets into thin strips and insert them into automated winding machines to produce a small jelly-roll design. Meanwhile, operators use ultrasonic or resistance welding to join current tabs to provide stable electrical continuity.

Formation Cycling and Quality Verification Standards

Controlled formation cycling is done by the engineers to activate electrochemical interfaces and stabilize internal reaction layers in the cell. Then they perform thermal aging processes under controlled environmental conditions to test the stability of impedance and voltage stability. Lastly, quality control teams finish insulation resistance test, dimensional check and sealing check prior to shipment approval. During the manufacturing process, the producers meet the requirements of IEC 62133 and UN38.3, and the 800mAh lithium capacitor battery meets the international safety, transport, and structural reliability standards.

Product Features

1. Customizable

   Customizable to meet customer requirements

   2. High Power

   Max. 20C discharge rate available

   3. Long Cycle Life

   Satisfies the long-term product use requirements.

   4. High Safety

   Undergone extensive safety examinations.

   5. True Rated Capacity

   Matches the product design capacity

   6. Multi-Chemistry Options

   Includes LCO, NCM, NCA and LFP systems.

   7. Multi-Protection Mechanism

   Inbuilt protection board consisting of overcharge, overdischarge, overcurrent and short-circuit protection.

Product Application Areas

This product can be used with many portable and powered electronic devices and common applications are:

• Personal Care and Health: Electric Toothbrushes, Beauty Devices, Fitness Trackers, Medical Devices.
• Smart Digital & Audio: Headphones, Speakers, Nebulizers, Toys, Lights.
• Financial Payment & Office: POS Machines, USB Tokens, Portable Printers.